FileStorageTest.php

<?php

namespace Drupal\KernelTests\Core\Config\Storage;

use Drupal\Core\Config\FileStorage;
use Drupal\Core\Config\UnsupportedDataTypeConfigException;
use Drupal\Core\Serialization\Yaml;
use Drupal\Core\StreamWrapper\PublicStream;

/**
 * Tests FileStorage operations.
 *
 * @group config
 */
class FileStorageTest extends ConfigStorageTestBase {
    
    /**
     * A directory to store configuration in.
     *
     * @var string
     */
    protected $directory;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create a directory.
        $this->directory = PublicStream::basePath() . '/config';
        $this->storage = new FileStorage($this->directory);
        $this->invalidStorage = new FileStorage($this->directory . '/nonexisting');
        // FileStorage::listAll() requires other configuration data to exist.
        $this->storage
            ->write('system.performance', $this->config('system.performance')
            ->get());
        $this->storage
            ->write('core.extension', [
            'module' => [],
        ]);
    }
    protected function read($name) {
        $data = file_get_contents($this->storage
            ->getFilePath($name));
        return Yaml::decode($data);
    }
    protected function insert($name, $data) {
        file_put_contents($this->storage
            ->getFilePath($name), $data);
    }
    protected function update($name, $data) {
        file_put_contents($this->storage
            ->getFilePath($name), $data);
    }
    protected function delete($name) {
        unlink($this->storage
            ->getFilePath($name));
    }
    
    /**
     * Tests the FileStorage::listAll method with a relative and absolute path.
     */
    public function testlistAll() {
        $expected_files = [
            'core.extension',
            'system.performance',
        ];
        $config_files = $this->storage
            ->listAll();
        $this->assertSame($expected_files, $config_files, 'Relative path, two config files found.');
        // @todo https://www.drupal.org/node/2666954 FileStorage::listAll() is
        //   case-sensitive. However, \Drupal\Core\Config\DatabaseStorage::listAll()
        //   is case-insensitive.
        $this->assertSame([
            'system.performance',
        ], $this->storage
            ->listAll('system'), 'The FileStorage::listAll() with prefix works.');
        $this->assertSame([], $this->storage
            ->listAll('System'), 'The FileStorage::listAll() is case sensitive.');
    }
    
    /**
     * Tests UnsupportedDataTypeConfigException.
     */
    public function testUnsupportedDataTypeConfigException() {
        $name = 'core.extension';
        $path = $this->storage
            ->getFilePath($name);
        $this->expectException(UnsupportedDataTypeConfigException::class);
        $this->expectExceptionMessageMatches("@Invalid data type in config {$name}, found in file {$path}: @");
        file_put_contents($path, PHP_EOL . 'foo : @bar', FILE_APPEND);
        $this->storage
            ->read($name);
    }

}